How The Function Works - Agilent Technologies 1200 Series User Manual

How the Function Works

Regardless of when it occurs, the Fast Composition Change/ Reconditioning
function is always a 2-step process:
1 The micro well plate sampler needle is placed over the waste position of the
The high flow rate used for Fast System Flush is not user-defined. For the Fast System
N O T E
Flush, the pump operates in pressure control mode at a predefined pressure.
The flow rate used for Fast System Flush is the highest flow which can be delivered at the
predefined pressure.
2 When the Fast System Flush time has elapsed, the micro well plate sampler
In a sequence, the next injection will begin when Fast Composition
Change/Reconditioning is completed.
1200 Series Nano Pump User Manual
flushport. The pump delivers a high flow rate at the new composition (fast
composition change) / at the initial composition (reconditioning) defined in
the current method. This flow is maintained for the Fast System Flush time
defined in the user interface. During this time, the system is being
re-equilibrated, up to the sampler needle outlet.
needle is returned to the needle-seat. The pump returns to the normal
operating mode, reconditioning the column at the flow and initial
composition defined in the current method. The column is reconditioned
for the Column Reconditioning time defined in the user interface.
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